Function rotateArray

rotateArray<T>(arr: T[], amount: number): T[]
mutate and rotate the given array by the specified amount to the right.

given an array arr, this function would rotate its rows by the specified amount. a positive amount would rotate the rows to the right, and a negative amount would rotate it to the left.
Type Parameters
- T
Parameters
- arr: T[]
  the array to be rotated.
- amount: number
  The number of indexes to rotate the major-axis to the right. positive values rotate right, while negative values rotate left.
Returns T[]
The original array is returned back after the rotation.
Example
```
import { assertEquals } from "jsr:@std/assert"

const arr: Array<number> = [1, 2, 3, 4, 5]

rotateArray(arr, 2)
assertEquals(arr, [4, 5, 1, 2, 3])

rotateArray(arr, -3)
assertEquals(arr, [2, 3, 4, 5, 1])
```
- Defined in work/kitchensink_ts/kitchensink_ts/src/array1d.ts:113